// jQuery Context Menu Plugin
//
// Version 1.01
//
// Cory S.N. LaViska
// A Beautiful Site (http://abeautifulsite.net/)
// Modified by Alexis Deveria
//
// More info: http://abeautifulsite.net/2008/09/jquery-context-menu-plugin/
//
// Terms of Use
//
// This plugin is dual-licensed under the GNU General Public License
//   and the MIT License and is copyright A Beautiful Site, LLC.
//
if (jQuery) (function () {
	var win = $(window);
	var doc = $(document);

	$.extend($.fn, {

		contextMenu: function (o, callback) {
			// Defaults
			if (o.menu == undefined) return false;
			if (o.inSpeed == undefined) o.inSpeed = 150;
			if (o.outSpeed == undefined) o.outSpeed = 75;
			// 0 needs to be -1 for expected results (no fade)
			if (o.inSpeed == 0) o.inSpeed = -1;
			if (o.outSpeed == 0) o.outSpeed = -1;
			// Loop each context menu
			$(this).each(function () {
				var el = $(this);
				var offset = $(el).offset();

				var menu = $('#' + o.menu);

				// Add contextMenu class
				menu.addClass('contextMenu');
				// Simulate a true right click

				$(this).bind("mousedown", function (e) {
					var evt = e;
					if (svgCanvas.cancelMenu){
						svgCanvas.cancelMenu=false;
						svgCanvas.clearSelection();
						return;
					}
					$(this).on("mouseup", function (e) {
						var srcElement = $(this);
						srcElement.unbind('mouseup');
						$(".contextMenu").hide();
						if (evt.button === 2 || o.allowLeft || (evt.ctrlKey && svgedit.browser.isMac())) {
							if (!svgedit.browser.isTouch()) open_context_menu(e, evt, srcElement);
						}
					});
				});

				if (svgedit.browser.isTouch()) {
					$(this).bind("taphold", function (e) {
						var srcElement = $(this);
						srcElement.unbind('mouseup');
						open_context_menu(e, e, srcElement);
					})
				}

				var open_context_menu = function (e, evt, srcElement) {
					if (typeof evt == 'undefined') evt = e;
					e.stopPropagation();

					// Get this context menu

					if (el.hasClass('disabled') || evt.altKey) return false;

					// Detect mouse position
					var d = {}, x = e.pageX, y = e.pageY;
					if (svgedit.browser.isTouch()) var d = {}, x = e.originalEvent.touches[0].pageX, y = e.originalEvent.touches[0].pageY;

					var x_off = win.width() - menu.width(),
						y_off = win.height() - menu.height();

					if (x > x_off - 15) x = x_off - 15;
					if (y > y_off - 30) y = y_off - 30; // 30 is needed to prevent scrollbars in FF

					if (svgedit.browser.isTouch())
						y = y - (menu.height() / 2)

					// Show the menu
					doc.unbind('click');
					menu.css({ top: y, left: x }).fadeIn(o.inSpeed);
					// Hover events
					menu.find('A').mouseover(function () {
						menu.find('LI.hover').removeClass('hover');
						$(this).parent().addClass('hover');
					}).mouseout(function () {
						menu.find('LI.hover').removeClass('hover');
					});

					// Keyboard
					doc.keypress(function (e) {
						switch (e.keyCode) {
							case 38: // up
								if (!menu.find('LI.hover').length) {
									menu.find('LI:last').addClass('hover');
								} else {
									menu.find('LI.hover').removeClass('hover').prevAll('LI:not(.disabled)').eq(0).addClass('hover');
									if (!menu.find('LI.hover').length) menu.find('LI:last').addClass('hover');
								}
								break;
							case 40: // down
								if (menu.find('LI.hover').length == 0) {
									menu.find('LI:first').addClass('hover');
								} else {
									menu.find('LI.hover').removeClass('hover').nextAll('LI:not(.disabled)').eq(0).addClass('hover');
									if (!menu.find('LI.hover').length) menu.find('LI:first').addClass('hover');
								}
								break;
							case 13: // enter
								menu.find('LI.hover A').trigger('click');
								break;
							case 27: // esc
								doc.trigger('click');
								break
						}
					});

					// When items are selected
					menu.find('A').unbind('mouseup');
					menu.find('LI:not(.disabled) A').mouseup(function () {
						doc.unbind('click').unbind('keypress');
						$(".contextMenu").hide();
						// Callback
						if (callback) callback($(this).attr('href').substr(1), $(srcElement), { x: x - offset.left, y: y - offset.top, docX: x, docY: y });
						return false;
					});

					// Hide bindings
					setTimeout(function () { // Delay for Mozilla
						doc.click(function () {
							doc.unbind('click').unbind('keypress');
							menu.fadeOut(o.outSpeed);
							return false;
						});
					}, 0);
				}


				// Disable browser context menu (requires both selectors to work in IE/Safari + FF/Chrome)
				$(el).add($('UL.contextMenu')).bind('contextmenu', function () { return false; });

			});
			return $(this);
		},

		// Disable context menu items on the fly
		disableContextMenuItems: function (o) {
			if (o == undefined) {
				// Disable all
				$(this).find('LI').addClass('disabled');
				return ($(this));
			}
			$(this).each(function () {
				if (o != undefined) {
					var d = o.split(',');
					for (var i = 0; i < d.length; i++) {
						$(this).find('A[href="' + d[i] + '"]').parent().addClass('disabled');

					}
				}
			});
			return ($(this));
		},

		// Enable context menu items on the fly
		enableContextMenuItems: function (o) {
			if (o == undefined) {
				// Enable all
				$(this).find('LI.disabled').removeClass('disabled');
				return ($(this));
			}
			$(this).each(function () {
				if (o != undefined) {
					var d = o.split(',');
					for (var i = 0; i < d.length; i++) {
						$(this).find('A[href="' + d[i] + '"]').parent().removeClass('disabled');

					}
				}
			});
			return ($(this));
		},

		// Disable context menu(s)
		disableContextMenu: function () {
			$(this).each(function () {
				$(this).addClass('disabled');
			});
			return ($(this));
		},

		// Enable context menu(s)
		enableContextMenu: function () {
			$(this).each(function () {
				$(this).removeClass('disabled');
			});
			return ($(this));
		},

		// Destroy context menu(s)
		destroyContextMenu: function () {
			// Destroy specified context menus
			$(this).each(function () {
				// Disable action
				$(this).unbind('mousedown').unbind('mouseup');
			});
			return ($(this));
		}

	});
})(jQuery);